Separating tank assembly and method of draining separating tank

Details Separating tank assembly and method of draining separating tank Separating tank assembly and method of draining separating tank

2007-01-02

2007-01-02

Lawrence, Frank M. (Department: 1724)

Gas separation: processes

With control responsive to sensed condition

Liquid level sensed

C096S168000, C433S095000

Reexamination Certificate

active

10837675

ABSTRACT:
A separating tank assembly enables a dental vacuum separating tank to be drained without using a pump and without turning off or isolating the vacuum source from the tank. A drain tank is provided in fluid communication with the separating tank, and a control valve controls a pressure differential between the drain tank and the fluid tank. When the separating tank is filling, the drain tank and separating tank pressures are equalized, and the tanks are in fluid communication. When the fluid in the drain tank reaches a predetermined level, the solenoid opens the drain tank to atmosphere, blocking fluid communication between the separating tank and the drain tank and opening fluid communication between the drain tank and a sewer drain. After the fluid is drained, the solenoid reopens fluid communication between the separating tank and the drain tank, and the pressures in the respective tanks are equalized.

REFERENCES:
patent: 3051175 (1962-08-01), Nugent
patent: 3870483 (1975-03-01), Ritzler
patent: 4097381 (1978-06-01), Ritzler
patent: 4580978 (1986-04-01), Motola et al.
patent: 4963094 (1990-10-01), Meyer
patent: 5017135 (1991-05-01), Meyer
patent: 5078759 (1992-01-01), Kira
patent: 5548944 (1996-08-01), Prochut et al.
patent: 5613851 (1997-03-01), Trawoger et al.
patent: 5879552 (1999-03-01), Bradfield
patent: 6179904 (2001-01-01), Knowles et al.
patent: 6379149 (2002-04-01), Franetzki
patent: 2003/0003417 (2003-01-01), Hubner et al.

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